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Jurgen, WTF fully written out would be obscene or vulgar, not technically profane. Mark was correct in saying that the fully written out version of OMG is profanity, because it is a religious phrase presumably out of a religious context. "Oh my God" could be a prayer; the British expletive "bloody" is a contraction of "By our Lady"; GD (euphemised alternatively as "gosh darn" or "gol dang") is a curse and could be intentionally used by religious people in a solemn pronunciation of anathema. Minnesotans (like Marty) are proverbially given to spoken euphemisms for profanity: for example, in the movie "Fargo" one character's response to absolute carnage is a heartfelt "Oh, Jeez!"

Personally, I find the full version of WTF considerably more offensive than OMG (probably because the former is clearly an obscenity), and I would agree that it probably would be inappropriate on this forum. But I'll point out that some of my former students (in their twenties and thirties) write it out as "What the frack" in text messages--approximately the equivalent of Jerry Groot's "Oh my gosh" for OMG. Finally, our list owner himself warns that calling someone else on the lists "a fricking idiot" is out of line.

Among scale designers it is well known that 52 mm is the optimal speaking lenght, no matter the size of the instrument.Steinways are also made so.

Interesting tension information. Of course it does not indicate tension per string -- which is the more relevant measure when discussing scale designs.

It may be that the 52mm measurement is "well known" only among scale designers that don't know much. The speaking length of the top note is the foundation upon which the rest of a good scale is built. Lengths are deliberately chosen from 48mm to 60 mm. Beyond that, some makes of piano are wildly erratic from one unit to the next in actual production. (S&S being a prime example.)

My reply was to Mark on his question whether the D has got a high tension scale or not. Compared to smaler pianos it has a higher tension, but compared to some other concert pianos it does not have a high tension scale, rather low I would say.I remember a Bl├╝thner concert piano from 1936. The total tension in that piano was 55115 lbs (org scale), there was a very high tension in the bass.About Steinway, I can only speak for those made in Hamburg.About scale design I only know about books and articles published in Germany.You may be able to find all kinds of strange scales among all different manufacturers.

Yes,as a matter of fact the Bl├╝thner grands do often have an overall low IH. Possibly because the whole middle section have very long speaking lenghts.In the facsimile of the book from J.Bl├╝thner and H.Gretschel (1872) Jan Grossbach suggets that Bl├╝thner actually never put much attention to scale design, but Bl├╝thner is said to be a real master in viocing.I think scale design back then was based on theories from Hansing, Gontershausen and others. We can still see tracks from that period in modern pianos like in the Steinway B with the almost ekstreem shortening of the bass up to E2.

... Among scale designers it is well known that 52 mm is the optimal speaking lenght [for the top C], no matter the size of the instrument. Steinways are also made so.

... It may be that the 52mm measurement is "well known" only among scale designers that don't know much. The speaking length of the top note is the foundation upon which the rest of a good scale is built. Lengths are deliberately chosen from 48mm to 60 mm. Beyond that, some makes of piano are wildly erratic from one unit to the next in actual production. (S&S being a prime example.)

Absolutely correct. 90mm should exceed the breaking length for piano wire at that pitch. I restrung a Kawai GS-70 that was 60mm and that was over 80% of breaking point. (It is also an explanation of why it has such a shriekingly piercing tone, as well). I changed the tension by lowering the wire 1/2 size, but, of course, that didn't change the breaking percent or inharmonicity.